She rescued Britain. UK was nearly bankrupt before her, a block of the unions were in charge. Three unions would all strike together and UK had electricity blackouts as a result, the Labour party then gave them pay rises (20%) and as each union got a huge raise, so another union would go on strike and demand more than the others. The debt became impossible and the IMF was called in. It was a disaster.

She came along and made a law that said you couldn't strike without a vote from union members, and no more than 6 people could picket a factory and no secondary picketing.

Arthur Scargill (mine workers) then held a strike without a vote,

the mine workers had their funds seized, and strikers were sacked. It broke union control of the UK. UK still had unions, but the need to have a vote before a strike made them less militant. People wanting to work don't keep going on strike, but the union bosses get paid whether on strike or not, so they're far more militant than the union members.

Likewise the rent-a-mob shut down of factories ended.

After that closed shops were abolished (the rule that said to work at the company you had to be a member of union Z), and Britain really turned around. You no longer had to be a union member to work, you could vote for whether to strike, and blackouts and power cuts ended.

She was so successful, that she because a sort of hate figure for the left. Ineffective leaders (like John Major) are easily dismissed, not so the good ones. She was hard, and luckily came along at a time when that was needed.

Goodbye Mrs Thatcher.